This year, the October sky could offer a rare spectacle: two comets are expected to become visible simultaneously. The first, discovered recently, follows an extremely long orbit. The ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower.

When the clouds finally clear after weeks of gray skies and rain, make it a point to join the worldwide collective of casual star gazers and professional and amateur astronomers who are enjoying views ...

Whether it’s a surprise asteroid, colorful aurora or a heart-stopping eclipse, the landscape of the night sky is constantly changing. When a new visitor appears in view, it’s guaranteed to grab the ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

In this image released by NASA, Comet Neowise, left, is seen in the eastern horizon above Earth in this image taken from the International Space Station on Sunday, July 5, 2020. (NASA via AP) Comet ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

In a year in which we have already been treated to the "Great North American Solar Eclipse" in April and one of the greatest displays of Northern Lights in the past 500 years in May, what other ...

The emergence of Comet Tsuchinshan-ATLAS into the evening sky presents a great opportunity for casual viewers and astronomy buffs to see one of nature's wonders. Since 2004, I have worked on PCMag’s ...

Adding to this year’s spectacular skywatching events—like the total solar eclipse and the Blaze Star that might soon erupt as a nova—a comet will dazzle the night skies as it passes by Earth this week ...